Question
A freight train has a mass of 1.5*10^7 kg. If the locomotive can exert constant pull of 4.5 *10^5N, how long does it take to increase the speed of the train from res to 80.0km/hr?
a)467s b) 444s c)527s d) 425s e) 496s
a)467s b) 444s c)527s d) 425s e) 496s